| Lac to Ifield | 1,147.92 mi (1,847.40 km) |
| Lac to Ilford | 1,150.80 mi (1,852.04 km) |
| Lac to Ilfracombe | 1,305.11 mi (2,100.37 km) |
| Lac to Ilkeston | 1,250.34 mi (2,012.23 km) |
| Lac to Ilkley | 1,302.48 mi (2,096.13 km) |
| Lac to Immingham | 1,235.82 mi (1,988.86 km) |
| Lac to Ince-in-Makerfield | 1,316.18 mi (2,118.18 km) |
| Lac to Inverness | 1,517.19 mi (2,441.69 km) |
| Lac to Inverurie | 1,454.17 mi (2,340.27 km) |
| Lac to Ipswich | 1,129.08 mi (1,817.08 km) |
| Lac to Irlam | 1,306.60 mi (2,102.77 km) |
| Lac to Irthlingborough | 1,202.73 mi (1,935.61 km) |
| Lac to Irvine | 1,460.18 mi (2,349.94 km) |
| Lac to Islington | 1,157.46 mi (1,862.76 km) |
| Lac to Iver | 1,172.04 mi (1,886.22 km) |
